package com.lewis.core.utils.office.excel;

import com.lewis.core.annotation.Excel;
import com.lewis.core.annotation.Excel.ColumnType;
import com.lewis.core.annotation.Excel.Type;
import com.lewis.core.annotation.Excels;
import com.lewis.core.base.domain.BaseResult;
import com.lewis.core.base.text.Convert;
import com.lewis.core.config.LewisConfig;
import com.lewis.core.exception.CustomException;
import com.lewis.core.utils.DateUtil;
import com.lewis.core.utils.DictUtil;
import com.lewis.core.utils.ReflectUtil;
import com.lewis.core.utils.StringUtil;
import com.lewis.core.utils.file.FileTypeUtil;
import com.lewis.core.utils.file.FileUtil;
import com.lewis.core.utils.file.ImageUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ooxml.POIXMLDocumentPart;
import org.apache.poi.ss.usermodel.*;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.CellRangeAddressList;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.*;
import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.lang.reflect.Field;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.util.*;
import java.util.List;
import java.util.stream.Collectors;

/**
 * Excel相关处理
 *
 * @author Lewis
 */
@Slf4j
public class ExcelUtil<T> {

	/**
	 * Excel sheet最大行数，默认65536
	 */
	public static final int sheetSize = 65536;

	/**
	 * 工作表名称
	 */
	private String sheetName;

	/**
	 * 导出类型（EXPORT:导出数据；IMPORT：导入模板）
	 */
	private Type type;

	/**
	 * 工作薄对象
	 */
	private Workbook wb;

	/**
	 * 工作表对象
	 */
	private Sheet sheet;

	/**
	 * 样式列表
	 */
	private Map<String, CellStyle> styles;

	/**
	 * 导入导出数据列表
	 */
	private List<T> list;

	/**
	 * 注解列表
	 */
	private List<Object[]> fields;

	/**
	 * 最大高度
	 */
	private short maxHeight;

	/**
	 * 统计列表
	 */
	private Map<Integer, Double> statistics = new HashMap<Integer, Double>();

	/**
	 * 数字格式
	 */
	private static final DecimalFormat DOUBLE_FORMAT = new DecimalFormat("######0.00");

	/**
	 * 实体对象
	 */
	public Class<T> clazz;

	public ExcelUtil(Class<T> clazz) {
		this.clazz = clazz;
	}

	public void init(List<T> list, String sheetName, Type type) {
		if (list == null) {
			list = new ArrayList<T>();
		}
		this.list = list;
		this.sheetName = sheetName;
		this.type = type;
		createExcelField();
		createWorkbook();
	}

	/**
	 * 对excel表单默认第一个索引名转换成list
	 *
	 * @param is 输入流
	 * @return 转换后集合
	 */
	public List<T> importExcel(InputStream is) throws Exception {
		return importExcel(StringUtil.EMPTY, is);
	}

	/**
	 * 对excel表单指定表格索引名转换成list
	 *
	 * @param sheetName 表格索引名
	 * @param is        输入流
	 * @return 转换后集合
	 */
	public List<T> importExcel(String sheetName, InputStream is) throws Exception {
		this.type = Type.IMPORT;
		this.wb = WorkbookFactory.create(is);
		List<T> list = new ArrayList<T>();
		// 如果指定sheet名,则取指定sheet中的内容 否则默认指向第1个sheet
		Sheet sheet = StringUtil.isNotEmpty(sheetName) ? wb.getSheet(sheetName) : wb.getSheetAt(0);
		if (sheet == null) {
			throw new IOException("文件sheet不存在");
		}
		boolean isXSSFWorkbook = !(wb instanceof HSSFWorkbook);
		Map<String, PictureData> pictures;
		if (isXSSFWorkbook) {
			pictures = getSheetPictrues07((XSSFSheet) sheet, (XSSFWorkbook) wb);
		} else {
			pictures = getSheetPictrues03((HSSFSheet) sheet, (HSSFWorkbook) wb);
		}
		// 获取最后一个非空行的行下标，比如总行数为n，则返回的为n-1
		int rows = sheet.getLastRowNum();

		if (rows > 0) {
			// 定义一个map用于存放excel列的序号和field.
			Map<String, Integer> cellMap = new HashMap<String, Integer>();
			// 获取表头
			Row heard = sheet.getRow(0);
			for (int i = 0; i < heard.getPhysicalNumberOfCells(); i++) {
				Cell cell = heard.getCell(i);
				if (StringUtil.isNotNull(cell)) {
					String value = this.getCellValue(heard, i).toString();
					cellMap.put(value, i);
				} else {
					cellMap.put(null, i);
				}
			}
			// 有数据时才处理 得到类的所有field.
			Field[] allFields = clazz.getDeclaredFields();
			// 定义一个map用于存放列的序号和field.
			Map<Integer, Field> fieldsMap = new HashMap<Integer, Field>();
			for (int col = 0; col < allFields.length; col++) {
				Field field = allFields[col];
				Excel attr = field.getAnnotation(Excel.class);
				if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) {
					// 设置类的私有字段属性可访问.
					field.setAccessible(true);
					Integer column = cellMap.get(attr.name());
					if (column != null) {
						fieldsMap.put(column, field);
					}
				}
			}
			for (int i = 1; i <= rows; i++) {
				// 从第2行开始取数据,默认第一行是表头.
				Row row = sheet.getRow(i);
				// 判断当前行是否是空行
				if (isRowEmpty(row)) {
					continue;
				}
				T entity = null;
				for (Map.Entry<Integer, Field> entry : fieldsMap.entrySet()) {
					Object val = this.getCellValue(row, entry.getKey());

					// 如果不存在实例则新建.
					entity = (entity == null ? clazz.newInstance() : entity);
					// 从map中得到对应列的field.
					Field field = fieldsMap.get(entry.getKey());
					// 取得类型,并根据对象类型设置值.
					Class<?> fieldType = field.getType();
					if (String.class == fieldType) {
						String s = Convert.toStr(val);
						if (StringUtil.endsWith(s, ".0")) {
							val = StringUtil.substringBefore(s, ".0");
						} else {
							String dateFormat = field.getAnnotation(Excel.class).dateFormat();
							if (StringUtil.isNotEmpty(dateFormat)) {
								val = DateUtil.parseDateToStr(dateFormat, (Date) val);
							} else {
								val = Convert.toStr(val);
							}
						}
					} else if ((Integer.TYPE == fieldType || Integer.class == fieldType) && StringUtil.isNumeric(Convert.toStr(val))) {
						val = Convert.toInt(val);
					} else if (Long.TYPE == fieldType || Long.class == fieldType) {
						val = Convert.toLong(val);
					} else if (Double.TYPE == fieldType || Double.class == fieldType) {
						val = Convert.toDouble(val);
					} else if (Float.TYPE == fieldType || Float.class == fieldType) {
						val = Convert.toFloat(val);
					} else if (BigDecimal.class == fieldType) {
						val = Convert.toBigDecimal(val);
					} else if (Date.class == fieldType) {
						if (val instanceof String) {
							val = DateUtil.parseDate(val);
						} else if (val instanceof Double) {
							val = org.apache.poi.ss.usermodel.DateUtil.getJavaDate((Double) val);
						}
					} else if (Boolean.TYPE == fieldType || Boolean.class == fieldType) {
						val = Convert.toBool(val, false);
					}
					if (StringUtil.isNotNull(fieldType)) {
						Excel attr = field.getAnnotation(Excel.class);
						String propertyName = field.getName();
						if (StringUtil.isNotEmpty(attr.targetAttr())) {
							propertyName = field.getName() + "." + attr.targetAttr();
						} else if (StringUtil.isNotEmpty(attr.readConverterExp())) {
							val = reverseByExp(Convert.toStr(val), attr.readConverterExp(), attr.separator());
						} else if (StringUtil.isNotEmpty(attr.dictType())) {
							val = reverseDictByExp(Convert.toStr(val), attr.dictType(), attr.separator());
						} else if (ColumnType.IMAGE == attr.cellType() && StringUtil.isNotEmpty(pictures)) {
							PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey());
							if (image == null) {
								val = "";
							}
							byte[] data = image.getData();
							val = FileUtil.writeImportBytes(data);
						}
						ReflectUtil.invokeSetter(entity, propertyName, val);
					}
				}
				list.add(entity);
			}
		}
		return list;
	}

	/**
	 * 对list数据源将其里面的数据导入到excel表单
	 *
	 * @param list      导出数据集合
	 * @param sheetName 工作表的名称
	 * @return 结果
	 */
	public BaseResult exportExcel(List<T> list, String sheetName) {
		this.init(list, sheetName, Type.EXPORT);
		return exportExcel();
	}

	/**
	 * 对list数据源将其里面的数据导入到excel表单
	 *
	 * @param response  返回数据
	 * @param list      导出数据集合
	 * @param sheetName 工作表的名称
	 * @return 结果
	 * @throws IOException
	 */
	public void exportExcel(HttpServletResponse response, List<T> list, String sheetName) throws IOException {
		response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
		response.setCharacterEncoding("utf-8");
		this.init(list, sheetName, Type.EXPORT);
		exportExcel(response.getOutputStream());
	}

	/**
	 * 对list数据源将其里面的数据导入到excel表单
	 *
	 * @param sheetName 工作表的名称
	 * @return 结果
	 */
	public BaseResult importTemplateExcel(String sheetName) {
		this.init(null, sheetName, Type.IMPORT);
		return exportExcel();
	}

	/**
	 * 对list数据源将其里面的数据导入到excel表单
	 *
	 * @param sheetName 工作表的名称
	 * @return 结果
	 */
	public void importTemplateExcel(HttpServletResponse response, String sheetName) throws IOException {
		response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
		response.setCharacterEncoding("utf-8");
		this.init(null, sheetName, Type.IMPORT);
		exportExcel(response.getOutputStream());
	}

	/**
	 * 对list数据源将其里面的数据导入到excel表单
	 *
	 * @return 结果
	 */
	public void exportExcel(OutputStream out) {
		try {
			writeSheet();
			wb.write(out);
		} catch (Exception e) {
			log.error("导出Excel异常{}", e.getMessage());
		} finally {
			IOUtils.closeQuietly(wb);
			IOUtils.closeQuietly(out);
		}
	}

	/**
	 * 对list数据源将其里面的数据导入到excel表单
	 *
	 * @return 结果
	 */
	public BaseResult exportExcel() {
		OutputStream out = null;
		try {
			writeSheet();
			String filename = encodingFilename(sheetName);
			out = new FileOutputStream(getAbsoluteFile(filename));
			wb.write(out);
			return BaseResult.ok().setData(filename);
		} catch (Exception e) {
			log.error("导出Excel异常{}", e.getMessage());
			throw new CustomException("导出Excel失败，请联系网站管理员！");
		} finally {
			IOUtils.closeQuietly(wb);
			IOUtils.closeQuietly(out);
		}
	}

	/**
	 * 创建写入数据到Sheet
	 */
	public void writeSheet() {
		// 取出一共有多少个sheet.
		double sheetNo = Math.ceil(list.size() / sheetSize);
		for (int index = 0; index <= sheetNo; index++) {
			createSheet(sheetNo, index);

			// 产生一行
			Row row = sheet.createRow(0);
			int column = 0;
			// 写入各个字段的列头名称
			for (Object[] os : fields) {
				Excel excel = (Excel) os[1];
				this.createCell(excel, row, column++);
			}
			if (Type.EXPORT.equals(type)) {
				fillExcelData(index, row);
				addStatisticsRow();
			}
		}
//		setSizeColumn(sheet,list.size());
	}

	/**
	 * 填充excel数据
	 *
	 * @param index 序号
	 * @param row   单元格行
	 */
	public void fillExcelData(int index, Row row) {
		int startNo = index * sheetSize;
		int endNo = Math.min(startNo + sheetSize, list.size());
		for (int i = startNo; i < endNo; i++) {
			row = sheet.createRow(i + 1 - startNo);
			// 得到导出对象.
			T vo = (T) list.get(i);
			int column = 0;
			for (Object[] os : fields) {
				Field field = (Field) os[0];
				Excel excel = (Excel) os[1];
				// 设置实体类私有属性可访问
				field.setAccessible(true);
				this.addCell(excel, row, vo, field, column++);
			}
		}
	}

	/**
	 * 创建表格样式
	 *
	 * @param wb 工作薄对象
	 * @return 样式列表
	 */
	private Map<String, CellStyle> createStyles(Workbook wb) {
		// 写入各条记录,每条记录对应excel表中的一行
		Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
		CellStyle style = wb.createCellStyle();
		style.setAlignment(HorizontalAlignment.CENTER);
		style.setVerticalAlignment(VerticalAlignment.CENTER);
		style.setBorderRight(BorderStyle.THIN);
		style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderLeft(BorderStyle.THIN);
		style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderTop(BorderStyle.THIN);
		style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setBorderBottom(BorderStyle.THIN);
		style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
		Font dataFont = wb.createFont();
		dataFont.setFontName("Arial");
		dataFont.setFontHeightInPoints((short) 10);
		style.setFont(dataFont);
		styles.put("data", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(HorizontalAlignment.CENTER);
		style.setVerticalAlignment(VerticalAlignment.CENTER);
		style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
		style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
		Font headerFont = wb.createFont();
		headerFont.setFontName("Arial");
		headerFont.setFontHeightInPoints((short) 10);
		headerFont.setBold(true);
		headerFont.setColor(IndexedColors.WHITE.getIndex());
		style.setFont(headerFont);
		styles.put("header", style);

		style = wb.createCellStyle();
		style.setAlignment(HorizontalAlignment.CENTER);
		style.setVerticalAlignment(VerticalAlignment.CENTER);
		Font totalFont = wb.createFont();
		totalFont.setFontName("Arial");
		totalFont.setFontHeightInPoints((short) 10);
		style.setFont(totalFont);
		styles.put("total", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(HorizontalAlignment.LEFT);
		styles.put("data1", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(HorizontalAlignment.CENTER);
		styles.put("data2", style);

		style = wb.createCellStyle();
		style.cloneStyleFrom(styles.get("data"));
		style.setAlignment(HorizontalAlignment.RIGHT);
		styles.put("data3", style);

		return styles;
	}

	/**
	 * 创建单元格
	 */
	public Cell createCell(Excel attr, Row row, int column) {
		// 创建列
		Cell cell = row.createCell(column);
		// 写入列信息
		cell.setCellValue(attr.name());
		setDataValidation(attr, row, column);
		cell.setCellStyle(styles.get("header"));
		return cell;
	}

	/**
	 * 设置单元格信息
	 *
	 * @param value 单元格值
	 * @param attr  注解相关
	 * @param cell  单元格信息
	 */
	public void setCellVo(Object value, Excel attr, Cell cell) {
		if (ColumnType.STRING == attr.cellType()) {
			cell.setCellValue(StringUtil.isNull(value) ? attr.defaultValue() : value + attr.suffix());
		} else if (ColumnType.NUMERIC == attr.cellType()) {
			if (StringUtil.isNotNull(value)) {
				cell.setCellValue(StringUtil.contains(Convert.toStr(value), ".") ? Convert.toDouble(value) : Convert.toInt(value));
			}
		} else if (ColumnType.IMAGE == attr.cellType()) {
			ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);
			String imagePath = Convert.toStr(value);
			if (StringUtil.isNotEmpty(imagePath)) {
				byte[] data = ImageUtil.getImage(imagePath);
				getDrawingPatriarch(cell.getSheet()).createPicture(anchor,
						cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));
			}
		}
	}

	/**
	 * 获取画布
	 */
	public static Drawing<?> getDrawingPatriarch(Sheet sheet) {
		if (sheet.getDrawingPatriarch() == null) {
			sheet.createDrawingPatriarch();
		}
		return sheet.getDrawingPatriarch();
	}

	/**
	 * 获取图片类型,设置图片插入类型
	 */
	public int getImageType(byte[] value) {
		String type = FileTypeUtil.getFileExtendName(value);
		if ("JPG".equalsIgnoreCase(type)) {
			return Workbook.PICTURE_TYPE_JPEG;
		} else if ("PNG".equalsIgnoreCase(type)) {
			return Workbook.PICTURE_TYPE_PNG;
		}
		return Workbook.PICTURE_TYPE_JPEG;
	}

	/**
	 * 创建表格样式
	 */
	public void setDataValidation(Excel attr, Row row, int column) {
		if (attr.name().indexOf("注：") >= 0) {
			sheet.setColumnWidth(column, 6000);
		} else {
			// 设置列宽
			sheet.setColumnWidth(column, (int) ((attr.width() + 0.72) * 256));
		}
		// 如果设置了提示信息则鼠标放上去提示.
		if (StringUtil.isNotEmpty(attr.prompt())) {
			// 这里默认设了2-101列提示.
			setXSSFPrompt(sheet, "", attr.prompt(), 1, 100, column, column);
		}
		// 如果设置了combo属性则本列只能选择不能输入
		if (attr.combo().length > 0) {
			// 这里默认设了2-101列只能选择不能输入.
			setXSSFValidation(sheet, attr.combo(), 1, 100, column, column);
		}
	}

	/**
	 * 添加单元格
	 */
	public Cell addCell(Excel attr, Row row, T vo, Field field, int column) {
		Cell cell = null;
		try {
			// 设置行高
			row.setHeight(maxHeight);
			// 根据Excel中设置情况决定是否导出,有些情况需要保持为空,希望用户填写这一列.
			if (attr.isExport()) {
				// 创建cell
				cell = row.createCell(column);
				int align = attr.align().value();
				cell.setCellStyle(styles.get("data" + (align >= 1 && align <= 3 ? align : "")));

				// 用于读取对象中的属性
				Object value = getTargetValue(vo, field, attr);
				String dateFormat = attr.dateFormat();
				String readConverterExp = attr.readConverterExp();
				String separator = attr.separator();
				String dictType = attr.dictType();
				if (StringUtil.isNotEmpty(dateFormat) && StringUtil.isNotNull(value)) {
					cell.setCellValue(DateUtil.parseDateToStr(dateFormat, (Date) value));
				} else if (StringUtil.isNotEmpty(readConverterExp) && StringUtil.isNotNull(value)) {
					cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
				} else if (StringUtil.isNotEmpty(dictType) && StringUtil.isNotNull(value)) {
					cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));
				} else if (value instanceof BigDecimal && -1 != attr.scale()) {
					cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
				} else {
					// 自适应列宽
					setSizeColumn(sheet, column, value);
					addStatisticsData(column, Convert.toStr(value), attr);
				}
			}
		} catch (Exception e) {
			log.error("导出Excel失败{}", e);
		}
		return cell;
	}

	/**
	 * 设置 POI XSSFSheet 单元格提示
	 *
	 * @param sheet         表单
	 * @param promptTitle   提示标题
	 * @param promptContent 提示内容
	 * @param firstRow      开始行
	 * @param endRow        结束行
	 * @param firstCol      开始列
	 * @param endCol        结束列
	 */
	public void setXSSFPrompt(Sheet sheet, String promptTitle, String promptContent, int firstRow, int endRow,
							  int firstCol, int endCol) {
		DataValidationHelper helper = sheet.getDataValidationHelper();
		DataValidationConstraint constraint = helper.createCustomConstraint("DD1");
		CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
		DataValidation dataValidation = helper.createValidation(constraint, regions);
		dataValidation.createPromptBox(promptTitle, promptContent);
		dataValidation.setShowPromptBox(true);
		sheet.addValidationData(dataValidation);
	}

	/**
	 * 设置某些列的值只能输入预制的数据,显示下拉框.
	 *
	 * @param sheet    要设置的sheet.
	 * @param textList 下拉框显示的内容
	 * @param firstRow 开始行
	 * @param endRow   结束行
	 * @param firstCol 开始列
	 * @param endCol   结束列
	 * @return 设置好的sheet.
	 */
	public void setXSSFValidation(Sheet sheet, String[] textList, int firstRow, int endRow, int firstCol, int endCol) {
		DataValidationHelper helper = sheet.getDataValidationHelper();
		// 加载下拉列表内容
		DataValidationConstraint constraint = helper.createExplicitListConstraint(textList);
		// 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列
		CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);
		// 数据有效性对象
		DataValidation dataValidation = helper.createValidation(constraint, regions);
		// 处理Excel兼容性问题
		if (dataValidation instanceof XSSFDataValidation) {
			dataValidation.setSuppressDropDownArrow(true);
			dataValidation.setShowErrorBox(true);
		} else {
			dataValidation.setSuppressDropDownArrow(false);
		}

		sheet.addValidationData(dataValidation);
	}

	/**
	 * 解析导出值 0=男,1=女,2=未知
	 *
	 * @param propertyValue 参数值
	 * @param converterExp  翻译注解
	 * @param separator     分隔符
	 * @return 解析后值
	 */
	public static String convertByExp(String propertyValue, String converterExp, String separator) {
		StringBuilder propertyString = new StringBuilder();
		String[] convertSource = converterExp.split(",");
		for (String item : convertSource) {
			String[] itemArray = item.split("=");
			if (StringUtil.containsAny(separator, propertyValue)) {
				for (String value : propertyValue.split(separator)) {
					if (itemArray[0].equals(value)) {
						propertyString.append(itemArray[1] + separator);
						break;
					}
				}
			} else {
				if (itemArray[0].equals(propertyValue)) {
					return itemArray[1];
				}
			}
		}
		return StringUtil.stripEnd(propertyString.toString(), separator);
	}

	/**
	 * 反向解析值 男=0,女=1,未知=2
	 *
	 * @param propertyValue 参数值
	 * @param converterExp  翻译注解
	 * @param separator     分隔符
	 * @return 解析后值
	 */
	public static String reverseByExp(String propertyValue, String converterExp, String separator) {
		StringBuilder propertyString = new StringBuilder();
		String[] convertSource = converterExp.split(",");
		for (String item : convertSource) {
			String[] itemArray = item.split("=");
			if (StringUtil.containsAny(separator, propertyValue)) {
				for (String value : propertyValue.split(separator)) {
					if (itemArray[1].equals(value)) {
						propertyString.append(itemArray[0] + separator);
						break;
					}
				}
			} else {
				if (itemArray[1].equals(propertyValue)) {
					return itemArray[0];
				}
			}
		}
		return StringUtil.stripEnd(propertyString.toString(), separator);
	}

	/**
	 * 解析字典值
	 *
	 * @param dictValue 字典值
	 * @param dictType  字典类型
	 * @param separator 分隔符
	 * @return 字典标签
	 */
	public static String convertDictByExp(String dictValue, String dictType, String separator) {
		return DictUtil.getDictLabel(dictType, dictValue, separator);
	}

	/**
	 * 反向解析值字典值
	 *
	 * @param dictLabel 字典标签
	 * @param dictType  字典类型
	 * @param separator 分隔符
	 * @return 字典值
	 */
	public static String reverseDictByExp(String dictLabel, String dictType, String separator) {
		return DictUtil.getDictValue(dictType, dictLabel, separator);
	}

	/**
	 * 合计统计信息
	 */
	private void addStatisticsData(Integer index, String text, Excel entity) {
		if (entity != null && entity.isStatistics()) {
			Double temp = 0D;
			if (!statistics.containsKey(index)) {
				statistics.put(index, temp);
			}
			try {
				temp = Double.valueOf(text);
			} catch (NumberFormatException e) {
			}
			statistics.put(index, statistics.get(index) + temp);
		}
	}

	/**
	 * 创建统计行
	 */
	public void addStatisticsRow() {
		if (statistics.size() > 0) {
			Row row = sheet.createRow(sheet.getLastRowNum() + 1);
			Set<Integer> keys = statistics.keySet();
			Cell cell = row.createCell(0);
			cell.setCellStyle(styles.get("total"));
			cell.setCellValue("合计");

			for (Integer key : keys) {
				cell = row.createCell(key);
				cell.setCellStyle(styles.get("total"));
				cell.setCellValue(DOUBLE_FORMAT.format(statistics.get(key)));
			}
			statistics.clear();
		}
	}

	/**
	 * 编码文件名
	 */
	public String encodingFilename(String filename) {
		filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";
		return filename;
	}

	/**
	 * 获取下载路径
	 *
	 * @param filename 文件名称
	 */
	public String getAbsoluteFile(String filename) {
		String downloadPath = LewisConfig.getDownloadPath() + filename;
		File desc = new File(downloadPath);
		if (!desc.getParentFile().exists()) {
			desc.getParentFile().mkdirs();
		}
		return downloadPath;
	}

	/**
	 * 获取bean中的属性值
	 *
	 * @param vo    实体对象
	 * @param field 字段
	 * @param excel 注解
	 * @return 最终的属性值
	 * @throws Exception
	 */
	private Object getTargetValue(T vo, Field field, Excel excel) throws Exception {
		Object o = field.get(vo);
		if (StringUtil.isNotEmpty(excel.targetAttr())) {
			String target = excel.targetAttr();
			if (target.indexOf(".") > -1) {
				String[] targets = target.split("[.]");
				for (String name : targets) {
					o = getValue(o, name);
				}
			} else {
				o = getValue(o, target);
			}
		}
		return o;
	}

	/**
	 * 以类的属性的get方法方法形式获取值
	 *
	 * @param o
	 * @param name
	 * @return value
	 * @throws Exception
	 */
	private Object getValue(Object o, String name) throws Exception {
		if (StringUtil.isNotNull(o) && StringUtil.isNotEmpty(name)) {
			Class<?> clazz = o.getClass();
			Field field = clazz.getDeclaredField(name);
			field.setAccessible(true);
			o = field.get(o);
		}
		return o;
	}

	/**
	 * 得到所有定义字段
	 */
	private void createExcelField() {
		this.fields = new ArrayList<Object[]>();
		List<Field> tempFields = new ArrayList<>();
		tempFields.addAll(Arrays.asList(clazz.getSuperclass().getDeclaredFields()));
		tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
		for (Field field : tempFields) {
			// 单注解
			if (field.isAnnotationPresent(Excel.class)) {
				putToField(field, field.getAnnotation(Excel.class));
			}

			// 多注解
			if (field.isAnnotationPresent(Excels.class)) {
				Excels attrs = field.getAnnotation(Excels.class);
				Excel[] excels = attrs.value();
				for (Excel excel : excels) {
					putToField(field, excel);
				}
			}
		}
		this.fields = this.fields.stream().sorted(Comparator.comparing(objects -> ((Excel) objects[1]).sort())).collect(Collectors.toList());
		this.maxHeight = getRowHeight();
	}

	/**
	 * 根据注解获取最大行高
	 */
	public short getRowHeight() {
		double maxHeight = 0;
		for (Object[] os : this.fields) {
			Excel excel = (Excel) os[1];
			maxHeight = maxHeight > excel.height() ? maxHeight : excel.height();
		}
		return (short) (maxHeight * 20);
	}

	/**
	 * 放到字段集合中
	 */
	private void putToField(Field field, Excel attr) {
		if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) {
			this.fields.add(new Object[]{field, attr});
		}
	}

	/**
	 * 创建一个工作簿
	 */
	public void createWorkbook() {
		this.wb = new SXSSFWorkbook(500);
	}

	/**
	 * 创建工作表
	 *
	 * @param sheetNo sheet数量
	 * @param index   序号
	 */
	public void createSheet(double sheetNo, int index) {
		this.sheet = wb.createSheet();
		this.styles = createStyles(wb);
		// 设置工作表的名称.
		if (sheetNo == 0) {
			wb.setSheetName(index, sheetName);
		} else {
			wb.setSheetName(index, sheetName + index);
		}
	}

	/**
	 * 获取单元格值
	 *
	 * @param row    获取的行
	 * @param column 获取单元格列号
	 * @return 单元格值
	 */
	public Object getCellValue(Row row, int column) {
		if (row == null) {
			return row;
		}
		Object val = "";
		try {
			Cell cell = row.getCell(column);
			if (StringUtil.isNotNull(cell)) {
				if (cell.getCellType() == CellType.NUMERIC || cell.getCellType() == CellType.FORMULA) {
					val = cell.getNumericCellValue();
					if (org.apache.poi.ss.usermodel.DateUtil.isCellDateFormatted(cell)) {
						val = org.apache.poi.ss.usermodel.DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
					} else {
						if ((Double) val % 1 != 0) {
							val = new BigDecimal(val.toString());
						} else {
							val = new DecimalFormat("0").format(val);
						}
					}
				} else if (cell.getCellType() == CellType.STRING) {
					val = cell.getStringCellValue();
				} else if (cell.getCellType() == CellType.BOOLEAN) {
					val = cell.getBooleanCellValue();
				} else if (cell.getCellType() == CellType.ERROR) {
					val = cell.getErrorCellValue();
				}

			}
		} catch (Exception e) {
			return val;
		}
		return val;
	}

	/**
	 * 判断是否是空行
	 *
	 * @param row 判断的行
	 * @return
	 */
	private boolean isRowEmpty(Row row) {
		if (row == null) {
			return true;
		}
		for (int i = row.getFirstCellNum(); i < row.getLastCellNum(); i++) {
			Cell cell = row.getCell(i);
			if (cell != null && cell.getCellType() != CellType.BLANK) {
				return false;
			}
		}
		return true;
	}

	/**
	 * 获取Excel2003图片
	 *
	 * @param sheet    当前sheet对象
	 * @param workbook 工作簿对象
	 * @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
	 */
	public static Map<String, PictureData> getSheetPictrues03(HSSFSheet sheet, HSSFWorkbook workbook) {
		Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
		List<HSSFPictureData> pictures = workbook.getAllPictures();
		if (!pictures.isEmpty()) {
			for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren()) {
				HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor();
				if (shape instanceof HSSFPicture) {
					HSSFPicture pic = (HSSFPicture) shape;
					int pictureIndex = pic.getPictureIndex() - 1;
					HSSFPictureData picData = pictures.get(pictureIndex);
					String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1());
					sheetIndexPicMap.put(picIndex, picData);
				}
			}
			return sheetIndexPicMap;
		} else {
			return sheetIndexPicMap;
		}
	}

	/**
	 * 获取Excel2007图片
	 *
	 * @param sheet    当前sheet对象
	 * @param workbook 工作簿对象
	 * @return Map key:图片单元格索引（1_1）String，value:图片流PictureData
	 */
	public static Map<String, PictureData> getSheetPictrues07(XSSFSheet sheet, XSSFWorkbook workbook) {
		Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();
		for (POIXMLDocumentPart dr : sheet.getRelations()) {
			if (dr instanceof XSSFDrawing) {
				XSSFDrawing drawing = (XSSFDrawing) dr;
				List<XSSFShape> shapes = drawing.getShapes();
				for (XSSFShape shape : shapes) {
					if (shape instanceof XSSFPicture) {
						XSSFPicture pic = (XSSFPicture) shape;
						XSSFClientAnchor anchor = pic.getPreferredSize();
						CTMarker ctMarker = anchor.getFrom();
						String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol();
						sheetIndexPicMap.put(picIndex, pic.getPictureData());
					}
				}
			}
		}
		return sheetIndexPicMap;
	}

	/**
	 * excel转图片png格式
	 *
	 * @param path    文件路径
	 * @param outPath 输出路径
	 * @return
	 */
	public static String excel2png(String path, String outPath) {
		// 设置基本参数
		int sheetNum = 0;// 读取表格第几页 ->0才是第一页
		int imageWidth = 0;// 图片宽度
		int imageHeight = 0;// 图片高度
		// 创建字节输入流
		InputStream inputStream;
		try {
			inputStream = new FileInputStream(path);
			// 创建workbook、sheet对象、存储内容集合
			Workbook workbook;
			Sheet sheet;
			List<List<String>> excelList;
			// 用于判断单元格背景颜色设置
			int bgColorFlag = 1;
			if (path.split("\\.")[1].equals("xlsx")) {
				// 上传的excel是2010以及更高版本
				// 初始化workbook 对象
				workbook = new XSSFWorkbook(inputStream);
				// 读取xlsx文件内容
				excelList = readXlsx(path, sheetNum);
			} else {
				// 上传的excel是2007以及更低版本
				// 初始化workbook 对象
				workbook = new HSSFWorkbook(inputStream);
				// 读取xlsx文件内容
				excelList = readXls(path, sheetNum);
				// excel版本过低，无法正确显示原单元格背景颜色，故flag设置为0，使用白色作为背景颜色
				bgColorFlag = 0;
			}
			// 初始化sheet对象
			sheet = workbook.getSheetAt(sheetNum);
			// 获取整个sheet中合并单元格组合的集合
			List<CellRangeAddress> rangeAddress = sheet.getMergedRegions();
			// 根据读取数据，动态获得表边界行列
			int totalRow = excelList.size() + 1;
			int totalCol = excelList.get(0).size();
			// 创建单元格数组，用于遍历单元格
			UserCell[][] cells = new UserCell[totalRow + 1][totalCol + 1];
			int[] rowPixPos = new int[totalRow + 1];// 存放行边界
			rowPixPos[0] = 0;
			int[] colPixPos = new int[totalCol + 1];// 存放列边界
			colPixPos[0] = 0;
			// 开始遍历单元格
			for (int i = 0; i < totalRow - 1; i++) {
				for (int j = 0; j < totalCol; j++) {
					cells[i][j] = new UserCell();
					cells[i][j].setCell(sheet.getRow(i).getCell(j));
					cells[i][j].setRow(i);
					cells[i][j].setCol(j);
					boolean ifShow = !(sheet.isColumnHidden(j) || sheet.getRow(i)
							.getZeroHeight());
					cells[i][j].setShow(ifShow);
					// 计算所求区域宽度
					float widthPix = !ifShow ? 0
							: (sheet.getColumnWidthInPixels(j)); // 如果该单元格是隐藏的，则置宽度为0
					if (i == 0) {
						imageWidth += widthPix;
					}
					colPixPos[j + 1] = (int) (widthPix * 1.15 + colPixPos[j]);
				}
				// 计算所求区域高度
				boolean ifShow = (i >= 0); // 行序列在指定区域中间
				ifShow = ifShow && !sheet.getRow(i).getZeroHeight(); // 行序列不能隐藏
				float heightPoint = !ifShow ? 0 : (sheet.getRow(i).getHeightInPoints()); // 如果该单元格是隐藏的，则置高度为0
				imageHeight += heightPoint;
				rowPixPos[i + 1] = (int) (heightPoint * 96 / 72) + rowPixPos[i];
			}
			imageHeight = imageHeight * 96 / 72;
			imageWidth = imageWidth * 115 / 100;
			//-------------- 设置单元格属性 ----------------
			List<Grid> grids = new ArrayList<Grid>();
			for (int i = 0; i < totalRow - 1; i++) {
				for (int j = 0; j < totalCol; j++) {
					Grid grid = new Grid();
					// 设置坐标和宽高
					grid.setX(colPixPos[j]);
					grid.setY(rowPixPos[i]);
					grid.setWidth(colPixPos[j + 1] - colPixPos[j]);
					grid.setHeight(rowPixPos[i + 1] - rowPixPos[i]);
					grid.setRow(cells[i][j].getRow());
					grid.setCol(cells[i][j].getCol());
					grid.setShow(cells[i][j].isShow());
					// 判断是否为合并单元格
					int[] isInMergedStatus = isInMerged(grid.getRow(),
							grid.getCol(), rangeAddress);
					if (isInMergedStatus[0] == 0 && isInMergedStatus[1] == 0) {
						// 此单元格是合并单元格，并且不是第一个单元格，需要跳过本次循环，不进行绘制
						continue;
					} else if (isInMergedStatus[0] != -1
							&& isInMergedStatus[1] != -1) {
						// 此单元格是合并单元格，并且属于第一个单元格，则需要调整网格大小
						int lastRowPos = isInMergedStatus[0] > totalRow - 1 ? totalRow - 1 : isInMergedStatus[0];
						int lastColPos = isInMergedStatus[1] > totalCol - 1 ? totalCol - 1 : isInMergedStatus[1];
						grid.setWidth(colPixPos[lastColPos + 1] - colPixPos[j]);
						grid.setHeight(rowPixPos[lastRowPos + 1] - rowPixPos[i]);
					}
					// 单元格背景颜色
					Cell cell = cells[i][j].getCell();
					if (cell != null) {
						CellStyle cs = cell.getCellStyle();
						grid.setBgColor(cs.getFillForegroundColorColor());
						// 设置字体
						org.apache.poi.ss.usermodel.Font font = workbook.getFontAt(cs.getFontIndexAsInt());
						font.setFontName("微软雅黑");
						grid.setFont(font);
						// 设置前景色
						grid.setFtColor(cs.getFillBackgroundColorColor());
						// 设置文本
						String strCell;
						CellType cellType = cell.getCellTypeEnum();
						switch (cellType) {
							case STRING:
								strCell = cell.getStringCellValue();
								break;
							case NUMERIC:
								//判断单元格内容  是否是 数值较大的数字 （即是否用了E表示）
								String str = String.valueOf(cell.getNumericCellValue());
								if (str.contains("E")) {
									String LeftEStr = str.toString().split("E")[0];
									strCell = LeftEStr.split("\\.")[0] + LeftEStr.split("\\.")[1];
								} else {
									strCell = String.valueOf(cell.getNumericCellValue());
								}
								break;
							case BLANK:
								strCell = "";
								break;
							case FORMULA:
								try {
									strCell = String.valueOf(cell.getNumericCellValue());
								} catch (IllegalStateException e) {
									strCell = String.valueOf(cell.getRichStringCellValue());
								}
								break;
							default:
								strCell = "";
								break;
						}
						if (cell.getCellStyle().getDataFormatString()
								.contains("0.00%")) {
							try {
								double dbCell = Double.valueOf(strCell);
								strCell = new DecimalFormat("0.00").format(dbCell * 100) + "%";
							} catch (NumberFormatException e) {
							}
						}
						grid.setText(strCell.matches("\\w*\\.0") ? strCell
								.substring(0, strCell.length() - 2) : strCell);
					}
					grids.add(grid);
				}
			}

			BufferedImage image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
			Graphics2D g2d = image.createGraphics();

			g2d.setColor(java.awt.Color.white);
			g2d.fillRect(0, 0, imageWidth, imageHeight);
			// 平滑字体
			g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
			g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
			g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL, RenderingHints.VALUE_STROKE_NORMALIZE);
			g2d.setRenderingHint(RenderingHints.KEY_TEXT_LCD_CONTRAST, 140);
			g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
			g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
			// 绘制表格
			for (Grid g : grids) {
				if (!g.isShow()) {
					continue;
				}
				// 绘制背景色
				if (bgColorFlag == 1) {
					// Excel2010以及更高-->使用原单元格背景色
					g2d.setColor(g.getBgColor() == null ? java.awt.Color.white : g.getBgColor());
				} else {
					// Excel2007以及更低-->使用白色作为背景色
					g2d.setColor(java.awt.Color.white);
				}
				g2d.fillRect(g.getX(), g.getY(), g.getWidth(), g.getHeight());
				// 绘制边框
				g2d.setColor(java.awt.Color.black);
				g2d.setStroke(new BasicStroke(1));
				g2d.drawRect(g.getX(), g.getY(), g.getWidth(), g.getHeight());
				// 绘制文字,居中显示
				g2d.setColor(g.getFtColor());
				java.awt.Font font = g.getFont();
				if (font == null) {
					continue;
				}
				FontMetrics fm = g2d.getFontMetrics(font);
				int strWidth = fm.stringWidth(g.getText());// 获取将要绘制的文字宽度
				g2d.setFont(font);
				g2d.drawString(
						g.getText(),
						g.getX() + (g.getWidth() - strWidth) / 2,
						g.getY() + (g.getHeight() - font.getSize()) / 2 + font.getSize());
			}
			// 表格最后一行有可能不显示，手动画上一行
			g2d.drawLine(0, imageHeight - 1, imageWidth - 4, imageHeight - 1);
			g2d.dispose();
			ImageIO.write(image, "png", new File(outPath));
			workbook.close();
		} catch (FileNotFoundException e1) {
			e1.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		System.out.println("----Output to PNG file Success!----");
		return outPath;
	}

	/**
	 * 判断Excel中的单元格是否为合并单元格
	 *
	 * @param row
	 * @param col
	 * @param rangeAddress
	 * @return 如果不是合并单元格返回{-1,-1},如果是合并单元格并且是一个单元格返回{lastRow,lastCol},
	 * 如果是合并单元格并且不是第一个格子返回{0,0}
	 */
	private static int[] isInMerged(int row, int col,
									List<CellRangeAddress> rangeAddress) {
		int[] isInMergedStatus = {-1, -1};
		for (CellRangeAddress cra : rangeAddress) {
			if (row == cra.getFirstRow() && col == cra.getFirstColumn()) {
				isInMergedStatus[0] = cra.getLastRow();
				isInMergedStatus[1] = cra.getLastColumn();
				return isInMergedStatus;
			}
			if (row >= cra.getFirstRow() && row <= cra.getLastRow()) {
				if (col >= cra.getFirstColumn() && col <= cra.getLastColumn()) {
					isInMergedStatus[0] = 0;
					isInMergedStatus[1] = 0;
					return isInMergedStatus;
				}
			}
		}
		return isInMergedStatus;
	}

	// 读取xlsx文件内容
	public static List<List<String>> readXlsx(String path, int pageNum) {
		//创建集合，存储单元格内容
		List<List<String>> resultList = new ArrayList<List<String>>();
		// 读取Excel的准备
		InputStream in;
		XSSFWorkbook xssfWorkbook;
		try {
			in = new FileInputStream(path);
			xssfWorkbook = new XSSFWorkbook(in);
			// 遍历每一页，并循环处理当前页
			XSSFSheet xssfSheet = xssfWorkbook.getSheetAt(pageNum);// 获取当前页
			// 开始读取Excel内容
			if (xssfSheet != null) {
				// 处理当前页，并处理每一行
				for (int rowNum = 0; rowNum < xssfSheet.getLastRowNum() + 1; rowNum++) {
					XSSFRow xssfRow = xssfSheet.getRow(rowNum);// 获取行数据
					int minColIX = xssfRow.getFirstCellNum();// 第一行数据
					int maxColIX = xssfRow.getLastCellNum();// 总行数
					List<String> rowList = new ArrayList<String>();
					// 遍历该行，处理该行数据
					for (int colIX = minColIX; colIX < maxColIX; colIX++) {
						XSSFCell cell = xssfRow.getCell(colIX);// 获取单元格
						if (cell != null) {
							//将单元格内容添加到集合
							rowList.add(cell.toString());
						}
					}
					//将每一行内容添加到集合
					resultList.add(rowList);
				}
			}
			xssfWorkbook.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return resultList;
	}

	// 读取xls文件内容
	public static List<List<String>> readXls(String path, int num) {
		//创建集合，存储单元格内容
		List<List<String>> resultList = new ArrayList<List<String>>();
		InputStream in;
		HSSFWorkbook hssfWorkbook;
		try {
			in = new FileInputStream(path);
			hssfWorkbook = new HSSFWorkbook(in);
			// 遍历每一页，并循环处理当前页
			HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(num);// 获取当前页
			if (hssfSheet != null) {
				// 处理当前页，并处理每一行
				for (int rowNum = 0; rowNum < hssfSheet.getLastRowNum() + 1; rowNum++) {
					HSSFRow hssfRow = hssfSheet.getRow(rowNum);// 获取行数据
					int minColIX = hssfRow.getFirstCellNum();// 第一行数据
					int maxColIX = hssfRow.getLastCellNum();// 总行数
					List<String> rowList = new ArrayList<String>();
					// 遍历该行，处理该行数据
					for (int colIX = minColIX; colIX < maxColIX; colIX++) {
						HSSFCell cell = hssfRow.getCell(colIX);// 获取单元格
						if (cell != null) {
							//添加单元格内容到集合
							rowList.add(cell.toString());
						}
					}
					//添加一行内容到集合
					resultList.add(rowList);
				}
			}
			hssfWorkbook.close();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return resultList;
	}

	/**
	 * 自适应宽度(中文支持)
	 *
	 * @param sheet
	 * @param column
	 * @param value
	 */
	public static void setSizeColumn(Sheet sheet, int column, Object value) {
		int columnWidth = sheet.getColumnWidth(column) / 256;
		int length = 256;
		if (value != null) {
			Convert.toStr(value);
			length = Convert.toStr(value).getBytes().length;
		}
		if (columnWidth < length) {
			columnWidth = length;
		}
		columnWidth = columnWidth * 256;
		// 宽度最大为：20000
		if (columnWidth > 20000) {
			columnWidth = 20000;
		}
		sheet.setColumnWidth(column, columnWidth);
	}
}